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Application filed by Josef Kovarik, Milan StanekfiledCriticalJosef Kovarik
Priority to CS890776ApriorityCriticalpatent/CS190050B1/en
Publication of CS190050B1publicationCriticalpatent/CS190050B1/en
CS890776A1976-12-311976-12-31Manipulator for removing the muds or solid materials from the space at the bottom of the technological appliances
CS190050B1
(en)